อนันตะสุข ณัฏฐ์วัฒน์. “The Results of Learning Management in Geography Course Using to the Cooperative Learning With the Jigsaw Technique on Learning Achievement of Mathayomsuksa 3 Students”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 4, no. 1 (April 29, 2021): 81–89. Accessed May 19, 2024. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/253820.